Tpm12NvStorage.c File Reference

#include <PiPei.h>
#include <Library/Tpm12CommandLib.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/Tpm12DeviceLib.h>

Go to the source code of this file.

Data Structures
struct	TPM_CMD_NV_DEFINE_SPACE
struct	TPM_CMD_NV_READ_VALUE
struct	TPM_RSP_NV_READ_VALUE
struct	TPM_CMD_NV_WRITE_VALUE

Macros
#define	TPMNVVALUELENGTH   1024

Functions
EFI_STATUS EFIAPI	Tpm12NvDefineSpace (IN TPM12_NV_DATA_PUBLIC *PubInfo, IN TPM_ENCAUTH *EncAuth)
EFI_STATUS EFIAPI	Tpm12NvReadValue (IN TPM_NV_INDEX NvIndex, IN UINT32 Offset, IN OUT UINT32 *DataSize, OUT UINT8 *Data)
EFI_STATUS EFIAPI	Tpm12NvWriteValue (IN TPM_NV_INDEX NvIndex, IN UINT32 Offset, IN UINT32 DataSize, IN UINT8 *Data)

Detailed Description

Implement TPM1.2 NV storage related command.

Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.
(C) Copyright 2016 Hewlett Packard Enterprise Development LP
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file Tpm12NvStorage.c.

Macro Definition Documentation

TPMNVVALUELENGTH

#define TPMNVVALUELENGTH   1024

Definition at line 20 of file Tpm12NvStorage.c.

Function Documentation

Tpm12NvDefineSpace()

EFI_STATUS EFIAPI Tpm12NvDefineSpace	(	IN TPM12_NV_DATA_PUBLIC *	PubInfo,
		IN TPM_ENCAUTH *	EncAuth
	)

Send NV DefineSpace command to TPM1.2.

Parameters

PubInfo	The public parameters of the NV area.
EncAuth	The encrypted AuthData, only valid if the attributes require subsequent authorization.

Return values

EFI_SUCCESS	Operation completed successfully.
EFI_DEVICE_ERROR	Unexpected device behavior.

Definition at line 64 of file Tpm12NvStorage.c.

Tpm12NvReadValue()

EFI_STATUS EFIAPI Tpm12NvReadValue	(	IN TPM_NV_INDEX	NvIndex,
		IN UINT32	Offset,
		IN OUT UINT32 *	DataSize,
		OUT UINT8 *	Data
	)

Send NV ReadValue command to TPM1.2.

Parameters

NvIndex	The index of the area to set.
Offset	The offset into the area.
DataSize	The size of the data area.
Data	The data to set the area to.

Return values

EFI_SUCCESS	Operation completed successfully.
EFI_DEVICE_ERROR	Unexpected device behavior.

Definition at line 129 of file Tpm12NvStorage.c.

Tpm12NvWriteValue()

EFI_STATUS EFIAPI Tpm12NvWriteValue	(	IN TPM_NV_INDEX	NvIndex,
		IN UINT32	Offset,
		IN UINT32	DataSize,
		IN UINT8 *	Data
	)

Send NV WriteValue command to TPM1.2.

Parameters

NvIndex	The index of the area to set.
Offset	The offset into the NV Area.
DataSize	The size of the data parameter.
Data	The data to set the area to.

Return values

EFI_SUCCESS	Operation completed successfully.
EFI_DEVICE_ERROR	Unexpected device behavior.

Definition at line 191 of file Tpm12NvStorage.c.